using hongfuzz to fuzz luajit2.1.0-beta3，there are some crashes

[sqzwm]

（1）lj_str_original_hash（）function has READ memory access
（2）lj_alloc_free() function has READ memory access
（3）bcread_block（）function has stack-overflow
all seed lua file see attachment.

bcread_block.zip
lj_alloc_free.zip
lj_str_original_hash.zip

[igormunkin]

@sqzwm, thanks for your reports! Unfortunately, the attached artefacts seems to be broken (at least on my x86_64 / Linux), so I failed to reproduce the lj_alloc_free crash you mentioned. It would be perfect if you share either the particular Lua chunk or the recipe to find the issue via hongfuzz.